Humans are social animals, but there appear to be hard limits to the number of relationships we can maintain at once. New research suggests AI may be capable of collaborating in much larger groups. In the 1990s, British anthropologist Robin Dunbar

Both of the men who won this year's Nobel Prize in Physics are artificial intelligence pioneers — and one of them is considered the technology's "godfather." As Reuters reports, American scientist John Hopfield is joined in this world-class